Home / 7,125.12-10,661.76-5,880.96

Finding the Fourth Proportional to 7,125.12, 10,661.76 and 5,880.96

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Solution

The fourth proportional to 7,125.12, 10,661.76 and 5,880.96 is: 8,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.12 : 10,661.76 = 5,880.96 : x
  2. Step 2: Convert to fraction form
    7,125.12/10,661.76 = 5,880.96/x
  3. Step 3: Cross multiply
    7,125.12x = 10,661.76 × 5,880.96
  4. Step 4: Simplify right side
    7,125.12x = 62,701,384.09
  5. Step 5: Solve for x
    x = 62,701,384.09/7,125.12
  6. Step 6: Final answer
    x = 8,800.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.